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<blockquote data-quote="shaneyoung82" data-source="post: 2144839" data-attributes="member: 570531">I have a Alpine M650 Amp I want to buy an Alpine Type R 12&quot; Subwoofer.&nbsp; I want to know 2 OHM VS 4 OHM.I have had a bad experience w/ 2 OHM in the past w/ them not working/failing/going out real fast.I want to know what you think/ major diffrence/prefrence?Here are the specs for my amp:Mono subwoofer car amplifier400 watts RMS x 1 at 4 ohms (600 watts RMS x 1 at 2 ohms)Variable low-pass filter (50-200 Hz, 24 dB/octave)Tuned Bass EQ (0-12 dB bass boost at 50 Hz)Subsonic filter (24 dB at 15 Hz)MOSFET power supplySTAR Topology (minimizes internal noise and prevents ground interference)Speaker- and preamp-level inputsGold-plated screw terminalsFuse rating: 30A x 24-gauge power and ground leads recommended wiring and hardware not included with AmplifierDimension: 13&quot;W x 2-3/8&quot;H x 9-1/2&quot;D</blockquote>

[QUOTE="shaneyoung82, post: 2144839, member: 570531"] I have a Alpine M650 Amp I want to buy an Alpine Type R 12" Subwoofer. I want to know 2 OHM VS 4 OHM. I have had a bad experience w/ 2 OHM in the past w/ them not working/failing/going out real fast. I want to know what you think/ major diffrence/prefrence? Here are the specs for my amp: Mono subwoofer car amplifier 400 watts RMS x 1 at 4 ohms (600 watts RMS x 1 at 2 ohms) Variable low-pass filter (50-200 Hz, 24 dB/octave) Tuned Bass EQ (0-12 dB bass boost at 50 Hz) Subsonic filter (24 dB at 15 Hz) MOSFET power supply STAR Topology (minimizes internal noise and prevents ground interference) Speaker- and preamp-level inputs Gold-plated screw terminals Fuse rating: 30A x 2 4-gauge power and ground leads recommended wiring and hardware not included with Amplifier Dimension: 13"W x 2-3/8"H x 9-1/2"D [/QUOTE]

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